/Engine/Source/Runtime/MediaUtils/Public/MediaSamples.h
virtual bool FetchMetadata ( [TRange](API\Runtime\Core\Math\TRange)< [FMediaTimeStamp](API\Runtime\Media\FMediaTimeStamp) > TimeRange, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IMediaBinarySample](API\Runtime\Media\IMediaBinarySample), ESPMode::ThreadSafe > & OutSample )